Cubical hook



FIG. 1 is a front prospective view of the cubical hook showing the design;

FIG. 2 is a left side elevational thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a back plan view thereof;

FIG. 5 is a front plan view thereof;

FIG. 6 is a top elevational view thereof; and,

FIG. 7 is a bottom elevational view thereof. 

The ornamental design for a cubical hook, as shown. 